#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
        int a[7][7], i, j;
        for (i = 0; i < 7; i++)
        {
            *(*(a + i)) = 1;
            *(a[i] + i) = 1;
        }
        for (i = 2; i < 7; i++)
        {
            for (j = 1; j < i; j++)
            {
                a[i][j] = a[i - 1][j] + a[i - 1][j - 1];
            }

        }
        for (i = 0; i < 7; i++)
        {
            for (j = 0; j <= i; j++)
            {
                printf("%3d", *(a[i] + j));
            }
            printf("\n");
        }
	return 0;
}